<template>
  <div>
    <!-- 面包屑导航区域 -->
    <bread-nav></bread-nav>
    <!-- 卡片视图展示区 -->
    <el-card>
      <!-- 搜索展示区域 -->
      <el-row :gutter="20" class="levbut">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            clearable
            v-model="queryInfo.query"
            @clear="getGoosdList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoosdList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="2">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品列表展示区域 -->
      <el-table :data="goodsList" border stripe >
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品商品重量"
          prop="goods_weight"
          width="95px"
        ></el-table-column>
        <el-table-column label="商品创建时间" width="200px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"
              >编辑</el-button
            >
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页展示区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 15, 20, 25]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
// 这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
import BreadcrumbNavigation from '../breadcrumbNavigation/BreadcrumbNavigation.vue';
export default {
  components: {
    'bread-nav': BreadcrumbNavigation,
  },
  // 定义属性
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodsList: [],
      // 总数据条数
      total: 0,
      loading: false,
    };
  },
  // 生命周期 - 创建完成（可以访问当前this实例）
  created() {
    this.getGoosdList();
  },
  // 方法集合
  methods: {
    // 获取商品列表
    async getGoosdList() {
      // this.loading = true;
      const { data: res } = await this.$http.get(`goods`, {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        // this.loading = false;
        return this.$message.error('获取商品列表失败！');
      }

      this.$message.success('获取商品列表成功！');
      this.goodsList = res.data.goods;
      this.total = res.data.total;
      // this.loading = false;
    },
    // 监听多少条
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoosdList();
    },
    // 监听当前页码
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoosdList();
    },
    // 根据id删除商品
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err);
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除');
      }
      // this.loading = true;
      const { data: res } = await this.$http.delete(`goods/${id}`);
      if (res.meta.status !== 200) {
        // this.loading = false;
        return this.$message.error('删除商品失败!');
      }
      // this.loading = false;
      this.$message.success('成功删除商品!');
      this.getGoosdList();
    },
    // 去添加商品页
    goAddPage(){
      this.$router.push('/goods/add')
    }
  },
};
</script>

<style lang='less' scoped>
</style>